Innovative solution for RC hobby

On-board computer have all sensors on the exchangeable modules. It allows elastic choose of set of sensors depending from parameters of flying aircraft. AutoPitLot in version 2.0 have 3 sockets of internal modules + 4 sockets for external modules: 2 dedicated for user external hardware (EX1, EX2), one dedicated to GPS receiver (GPS) and one for comunication with radiomodem (MOD)
Sockets supply modules with power and connects it with microcontroller via communication buses: SPI (only internal modules), I2C (both int & ext) and UART (only external modules).

Below are presented socket location in 2.0 hardware.

Connectors of autopitlot on-board computer

 

Top left are JTAG connector with Molex PicoBlade 53398 connector. Below 2x5 pin 2,54mm receiver socket labeled "RC rec". Next on right side is audio output marked "Audio".

Left bottom are "RPM1 and "RPM2" inputs for counting impulses from rotating speed sensors. Left right are 2x4 2,55mm sockets for external modules.

On the right side is green MPX power connector suplying computer and servos. Left to it are 12 servos connectors.. Next left are 3x2 pins extension pads, allowing to expand number of servos to 18 (only yellow wire to next 6 servos).

In the middle is 3V real time clock battery socket and test pins close to microcontroler. It can be used for debugging. Over it are six 7-pin connectors for plugging in internal modules.

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